Nvidia

Apple A1225 24" iMac NVidia GeForce 8800GS Graphic Video Card 2007 2008 Heatsink 661-4664 GPU and Heatsink Radiator

Apple A1225 24" iMac Nvidia GeForce GT 120 256mb 2009 Graphics Video Card GT120 GPU 661-4991 Genuine Apple with Heatsink